Hydroxyethyl cellulose (HEC) is a cellulose-derived thickening and the gelling agent used in capsules containing hydrophobic drugs in order to improve dissolution of drugs within GI fluids in a method known as the hydrophilization method.

Application

Disperse the Hydroxyethyl cellulose in water and by stir vigorously or using a blender. Continue to hydrate the HEC in water until completely dissolved. There may bea delay in thickening - this is normal. (Stir until the particles are dissolved.